Canon EF Wide angle lenses for less than $400 that have a Sigma HSM focus motor

"I like the lense. It is a great walk around lense which is light and fast enough for situations where other lenses fail. I used to have the 17-85mm EF-S Canon lense before and was looking for a faster alternative that is having a good wide ancle" bhphotovideo.com

	Focus motor	Sigma HSM			Max focal length	70 mm
	Zoom range	4.1x			Aperture	f/2.8
	Fixed aperture	No			Diameter	79 mm
	Image stabilization	Sigma OS			Length	82 mm

"One of the main pros of these lens is the AF system – fast and acurate." bhphotovideo.com

Fixed aperture The same maximum aperture at all focal lengths

	Focus motor	Sigma HSM			Max focal length	50 mm
	Zoom range	2.9x			Aperture	f/2.8
	Fixed aperture	Yes			Diameter	84 mm
	Image stabilization	Sigma OS			Length	91 mm

"The lens is great, especially If you like taking interior shots or panoramic, architectural buildings, architectural models." bhphotovideo.com

Fixed aperture The same maximum aperture at all focal lengths

	Focus motor	Sigma HSM			Max focal length	20 mm
	Zoom range	2x			Aperture	f/3.5
	Fixed aperture	Yes			Diameter	86 mm
	Image stabilization	None			Length	89 mm

"Its a great lens and a good compliment to my kit lens and nifty fifty lens.Great for real estate photo's and video." bhphotovideo.com

	Focus motor	Sigma HSM			Max focal length	20 mm
	Zoom range	2x			Aperture	f/4
	Fixed aperture	No			Diameter	86 mm
	Image stabilization	None			Length	89 mm